نتایج جستجو برای: air traffic control

تعداد نتایج: 1580563  

2005
Yoon C. Jung

The Surface Management System (SMS) is a decision support tool that helps tower traffic coordinators and Ground/Local controllers manage and control airport surface traffic in order to increase capacity, efficiency, and flexibility. SMS provides common situation awareness to personnel at various air traffic control facilities such as air traffic control towers (ATCTs), airline ramp towers, the ...

Journal: :trauma monthly 0
maryam dastoorpoor neurology research center, department of biostatistics and epidemiology, school of public health, kerman university of medical sciences, kerman, ir iran esmaeil idani department of internal medicine, faculty of medicine, ahvaz jundishapur university of medical sciences, ahvaz, ir iran narges khanjani environmental health engineering research center, kerman university of medical sciences, kerman, ir iran; department of epidemiology and biostatistics, faculty of public health, kerman university of medical sciences, kerman, ir iran. tel: +98-03431325102 gholamreza goudarzi air pollution and respiratory diseases research center, environmental technologies research center (etrc), ahvaz jundishapur university of medical sciences, ahvaz, ir iran abbas bahrampour modeling in health research center, institute for futures studies in health, department of biostatistics and epidemiology, faculty of health kerman univesity of medical sciences kerman, ir iran

results there was a significant positive correlation between increase in the monthly average temperature, the number of rainy days, and the number of frost days with the number of rta (p < 0.05). increased monthly average relative humidity, evaporation, and number of sunny days were negatively correlated with the frequency of rta (p < 0.05). we also observed an inverse significant correlation b...

2013
K. Brookhuis F. Dehais C. Weikert S. Röttger Caroline Martin Julien Cegarra

Currently, Air Traffic Control system is facing a period of transition justified by the context which surrounds it (Cegarra, Dehais, Causse & Martin, 2010). Indeed, the level of air traffic is predicted to increase significantly in the next twenty years (Eurocontrol, 2007). The need of technical and organizational solutions definition is therefore drawn to avoid the saturation of the existing a...

2015
Van Nhan Nguyen Harald Holone

Over the past few years, a lot of research has been conducted to bring Automatic Speech Recognition (ASR) into various areas of Air Traffic Control (ATC), such as air traffic control simulation and training, monitoring live operators for with the aim of safety improvements, air traffic controller workload measurement and conducting analysis on large quantities controller-pilot speech. Due to th...

Journal: :Aviation, space, and environmental medicine 1978
C E Melton R C Smith J M McKenzie S M Wicks J T Saldivar

Stress and anxiety levels were measured in 10 air traffic control specialists (ATCS) at two low traffic-density towers in Fayetteville (FYV), Ar, and Roswell (ROW), NM, and in 24 flight service (FS) specialists at those airports and at Okalhoma City (OKC), Ok. Physiological measurements consisted of heart rate and urine biochemical analysis for 17-ketogenic steroids, epinephrine, and norepinep...

2012
Hojjat Emami Farnaz Derakhshan Saied Pashazadeh

The current air traffic management systems are not able to manage the enormous capacities of air traffic perfectly and have not sufficient capability to service different types of flights. Free flight is a new concept presented potentially to solve problems in the current air traffic management system. The free flight concept changes the current centralized and command-control airspace system (...

بهرامی , عبدالرحمان , صمدی , محمدتقی ,

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; To determine the distribution of lead in ambient air of Hamadan, 100 &nbsp;&nbsp; samples were taken in different places from December 1997 until June 1998. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; The places of samples collection , were divided to three locations in &nbsp;&nbsp; street (high traffic, medium traffic and...

2007
Hollis F. Ryan Mike M. Paglione Shurong Liu

An air traffic control system’s main function is to separate aircraft. The computer supporting the system assists the air traffic controllers by generating a conflict alert whenever it predicts that two aircraft are about to get too close to each other. The performance of the conflict alert function is a key element to the overall functioning of the air traffic control system. A set of metrics ...

Journal: :International Journal of Aviation, Aeronautics, and Aerospace 2017

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